Purpose of the walk-in high and low temperature test chamber: It is suitable for testing large industrial products in high and constant temperature environments. This laboratory can provide high temperature and harsh environment for testing of various finished products or semi-finished products. It is an important testing equipment to improve product stability and reliability, and an important testing equipment for various manufacturing companies to improve product quality and competitiveness. This equipment is widely used In the fields of power electronics, computers, communications, batteries, etc.
Features:
1. Temperature range RT～85 ℃ (higher or lower temperature can be customized by calling)
2. Meets the standard GB/T 5170.2-2008 Temperature test equipment; GB/T2423.2-2008 (IEC60068-2-2: 2007) High temperature test method Bb; GJB150.3-1986? High temperature test; GJB150.3 (ML-STD0-810D) High temperature test method ;GJB360.8-87 (MIL-STD-202f) high temperature life test.
3. Working noise: A sound level ≤75dB(A) (measured in a soundproof room with an ambient temperature of 25°C and little echo; using A weighting, test the average of 8 points; each test The point level is 1 meter away from the noise source and the height is 1 meter away from the ground)
4. Temperature fluctuation: Temperature: ≤±0.5℃? (referring to the difference between the controller setting value and the controller actual measured value)
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5. Temperature uniformity: Temperature: ≤±5℃? (Uniformity is the arithmetic mean of the difference between the highest and lowest temperatures measured in each no-load test)
6. Temperature rising time: about 3 ℃/min
7. Materials for the inner and outer walls of the laboratory insulation structure: high-temperature resistant warehouse boards have the advantages of light weight, high strength, thermal insulation, beauty and durability
8. Air conditioning channel fan, heater, evaporator, damper, temperature sensor
9. Standard configuration of the test chamber body 8.3.1 Lead holes (optional): 1 or more; φ50mm Or φ100mm is located on the side of the box (please specify when placing an order if necessary)
10. Observation window: approximately 60cm long * 50cm wide 1 set of transparent electric heating film hollow tempered glass (located on the door)
11. Install 4 sets of moisture-proof and explosion-proof lights indoors to illuminate the entire test room to detect the test status;
12. Test room operation and maintenance manual, controller manual, warranty card, certificate, One serving of each.
13. Circulation fan
High temperature/ambient temperature exposure
Centrifugal fan circulation
14 Control system design and safety protection measures
15. Control system integrated aging function design. The functional control cabinet is designed so that the aging time, temperature, and various operating switches can be operated on one control cabinet; the cabinet panel is beautifully designed and easy to operate.
16. The aging process can be fully automatically controlled and has some abnormal self-handling functions to automate and simplify the operation.
17. It has multiple protection functions, safe and reliable.
a. Electric heating prevents dry burning. When the fan fails or the temperature in the air duct is too high, the power supply of the circulation system will be automatically cut off, and the alarm will sound at the same time.
b. The electric heating and fan are designed to be linked. When the fan fails to start, the heater cannot be started alone. When it is turned off, the electric heating and the circulating fan are shut down at the same time to prevent the electric heater from being damaged by dry burning.
c. The heater is connected with high-temperature resistant wire and will not burn up to 300OC.
d. Install explosion-proof lighting indoors to extend the life of the bulb and prevent it from exploding.
e. The warehouse body is made of flame-retardant insulation materials, with good insulation performance and high safety factor.
f. Over-temperature sound and light alarm function: If an over-temperature condition occurs during the aging process, the red light will light up and the buzzer will sound.
18. Constant temperature system The constant temperature system consists of a circulation fan, an over-temperature exhaust fan and a heating device.
19. The heating part of the heating system is heated by a nickel-chromium alloy electric heater (with fins), which is controlled by PID. After the temperature reaches the temperature required by the product, the outdoor environment is sucked in from the circulating air duct through the electric blinds. temperature, so that the temperature of the load can no longer rise, so that the indoor temperature can be accurately stabilized at the set temperature value. When the temperature exceeds the set temperature, the indoor hot air is discharged through the exhaust fan and sucked into the outdoor ambient temperature by the electric blinds through the circulating air duct, so that The indoor temperature is accurately and stable at the set temperature value.
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